Good evening,
currently I have a totally bridged network but for reasons of size I decided to adopt a new configuration by inserting some routers with OSPF protocol.
I would like to implement a Core Router that implements a BGP session with my ISP. Subsequently with the OSPF protocol I would like to make the routers communicate as in the following network diagram. So far everything is working, I get the problem when I would like to go and manage the assignment of my public subnet xxx.xxx.xxx.xxx/24 assigned to me by RIPE. I would like to be able to place a number greater than 2 or more Public IPs on both the Tower 1 router and the Tower 2 router. I have read that it is actually feasible with the OSPF protocol but after several tests I could not find a working configuration. I have searched for similar examples online but have not come to any effective solution.
Thanks in advance for any help or advice
There are two different articles that I think would help you here:
The first is an overview of migrating from bridged to routed for a WISP
https://stubarea51.net/2019/09/15/wisp-design-migrating-from-bridged-to-routed/
The second addresses your concern of getting IPs from a /24 out to the towers. VPLS with MPLS is one of the best ways to do this. You keep some of the benefits of efficient addressing utilization from a bridged network but the underlay is all L3.
https://stubarea51.net/2018/04/23/wisp-design-building-highly-available-vpls-for-public-subnets/
Dammit’ guys, it is OSPF (Open Shortest Path First) not OSFP - please use correct terminology when posting and replying, you are not some firecracker salesmen from Malawi.
Think of the bots and crawlers – not all of them are smart enough.
Also, there is that common mistake made even by the creators of this forum (thread) - see attached pic
